Merge pull request #2318 from assimp/issue_2297

closes https://github.com/assimp/assimp/issues/2297: introduce obj-un…

test/unit/utObjImportExport.cpp

@@ -78,7 +78,7 @@ static const float VertComponents[ 24 * 3 ] = {
      0.500000, -0.500000,  0.500000f
 };
 
-static const std::string ObjModel =
+static const char *ObjModel =
     "o 1\n"
     "\n"
     "# Vertex list\n"
@@ -105,7 +105,7 @@ static const std::string ObjModel =
     "\n"
     "# End of file\n";
 
-static const std::string ObjModel_Issue1111 =
+static const char *ObjModel_Issue1111 =
     "o 1\n"
     "\n"
     "# Vertex list\n"
@@ -231,7 +231,7 @@ TEST_F( utObjImportExport, exportObjFromFileTest ) {
 #endif // ASSIMP_BUILD_NO_EXPORT
 
 TEST_F( utObjImportExport, obj_import_test ) {
-    const aiScene *scene = m_im->ReadFileFromMemory( (void*) ObjModel.c_str(), ObjModel.size(), 0 );
+    const aiScene *scene = m_im->ReadFileFromMemory( (void*) ObjModel, strlen(ObjModel), 0 );
     aiScene *expected = createScene();
     EXPECT_NE( nullptr, scene );
 
@@ -252,7 +252,7 @@ TEST_F( utObjImportExport, obj_import_test ) {
 }
 
 TEST_F( utObjImportExport, issue1111_no_mat_name_Test ) {
-    const aiScene *scene = m_im->ReadFileFromMemory( ( void* ) ObjModel_Issue1111.c_str(), ObjModel_Issue1111.size(), 0 );
+    const aiScene *scene = m_im->ReadFileFromMemory( ( void* ) ObjModel_Issue1111, strlen(ObjModel_Issue1111), 0 );
     EXPECT_NE( nullptr, scene );
 }
 
@@ -290,7 +290,7 @@ TEST_F( utObjImportExport, issue1923_vertex_color_Test ) {
 }
 
 TEST_F( utObjImportExport, issue1453_segfault ) {
-    static const std::string ObjModel =
+    static const char *ObjModel =
         "v  0.0  0.0  0.0\n"
         "v  0.0  0.0  1.0\n"
         "v  0.0  1.0  0.0\n"
@@ -301,12 +301,12 @@ TEST_F( utObjImportExport, issue1453_segfault ) {
         "v  1.0  1.0  1.0\nB";
 
     Assimp::Importer myimporter;
-    const aiScene *scene = myimporter.ReadFileFromMemory( ObjModel.c_str(), ObjModel.size(), aiProcess_ValidateDataStructure );
+    const aiScene *scene = myimporter.ReadFileFromMemory( ObjModel, strlen(ObjModel), aiProcess_ValidateDataStructure );
     EXPECT_EQ( nullptr, scene );
 }
 
 TEST_F(utObjImportExport, relative_indices_Test) {
-    static const std::string ObjModel =
+    static const char *ObjModel =
         "v -0.500000 0.000000 0.400000\n"
         "v -0.500000 0.000000 -0.800000\n"
         "v -0.500000 1.000000 -0.800000\n"
@@ -314,7 +314,7 @@ TEST_F(utObjImportExport, relative_indices_Test) {
         "f -4 -3 -2 -1\nB";
 
     Assimp::Importer myimporter;
-    const aiScene *scene = myimporter.ReadFileFromMemory(ObjModel.c_str(), ObjModel.size(), aiProcess_ValidateDataStructure);
+    const aiScene *scene = myimporter.ReadFileFromMemory(ObjModel, strlen(ObjModel), aiProcess_ValidateDataStructure);
     EXPECT_NE(nullptr, scene);
 
     EXPECT_EQ(scene->mNumMeshes, 1U);
@@ -331,14 +331,14 @@ TEST_F(utObjImportExport, relative_indices_Test) {
 }
 
 TEST_F(utObjImportExport, homogeneous_coordinates_Test) {
-    static const std::string ObjModel =
+    static const char *ObjModel =
         "v -0.500000 0.000000 0.400000 0.50000\n"
         "v -0.500000 0.000000 -0.800000 1.00000\n"
         "v 0.500000 1.000000 -0.800000 0.5000\n"
         "f 1 2 3\nB";
 
     Assimp::Importer myimporter;
-    const aiScene *scene = myimporter.ReadFileFromMemory(ObjModel.c_str(), ObjModel.size(), aiProcess_ValidateDataStructure);
+    const aiScene *scene = myimporter.ReadFileFromMemory(ObjModel, strlen(ObjModel), aiProcess_ValidateDataStructure);
     EXPECT_NE(nullptr, scene);
 
     EXPECT_EQ(scene->mNumMeshes, 1U);
@@ -354,26 +354,26 @@ TEST_F(utObjImportExport, homogeneous_coordinates_Test) {
 }
 
 TEST_F(utObjImportExport, homogeneous_coordinates_divide_by_zero_Test) {
-  static const std::string ObjModel =
+  static const char *ObjModel =
     "v -0.500000 0.000000 0.400000 0.\n"
     "v -0.500000 0.000000 -0.800000 1.00000\n"
     "v 0.500000 1.000000 -0.800000 0.5000\n"
     "f 1 2 3\nB";
 
   Assimp::Importer myimporter;
-  const aiScene *scene = myimporter.ReadFileFromMemory(ObjModel.c_str(), ObjModel.size(), aiProcess_ValidateDataStructure);
+  const aiScene *scene = myimporter.ReadFileFromMemory(ObjModel, strlen(ObjModel), aiProcess_ValidateDataStructure);
   EXPECT_EQ(nullptr, scene);
 }
 
 TEST_F(utObjImportExport, 0based_array_Test) {
-    static const std::string ObjModel =
+    static const char *ObjModel =
         "v -0.500000 0.000000 0.400000\n"
         "v -0.500000 0.000000 -0.800000\n"
         "v -0.500000 1.000000 -0.800000\n"
         "f 0 1 2\nB";
 
-    Assimp::Importer myimporter;
-    const aiScene *scene = myimporter.ReadFileFromMemory(ObjModel.c_str(), ObjModel.size(), 0);
+    Assimp::Importer myImporter;
+    const aiScene *scene = myImporter.ReadFileFromMemory(ObjModel, strlen(ObjModel), 0);
     EXPECT_EQ(nullptr, scene);
 }
 
@@ -396,3 +396,8 @@ TEST_F(utObjImportExport, import_point_cloud) {
     ASSERT_NE(nullptr, scene);
 }
 
+TEST_F(utObjImportExport, import_without_linend) {
+    Assimp::Importer myImporter;
+    const aiScene *scene = myImporter.ReadFile(ASSIMP_TEST_MODELS_DIR "/OBJ/box_without_lineending.obj", 0);
+    ASSERT_NE(nullptr, scene);
+}